/*
 * Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.oracle.truffle.espresso.analysis.graph;

import java.io.PrintStream;
import java.util.Arrays;

import com.oracle.truffle.espresso.analysis.BlockLogger;

public interface Graph<T extends LinkedBlock> {
    T entryBlock();

    T get(int blockID);

    int totalBlocks();

    default void log(BlockLogger logger, PrintStream err) {
        for (int i = 0; i < totalBlocks(); i++) {
            T block = get(i);
            err.println("B" + i + "[" + block.start() + ", " + block.end() + "]: ");
            logger.log(i, "\t", err);
            err.println("\tto: " + Arrays.toString(block.successorsID()));
        }
    }
}
